Authentication Flaw in BIG-IQ High Availability by F5 Networks
CVE-2021-22995

7.5HIGH

Key Information:

Vendor

F5
Status
Big-iq
Vendor
CVE Published:
31 March 2021

What is CVE-2021-22995?

An authentication vulnerability exists in F5 Networks' BIG-IQ high availability feature when it utilizes a Quorum device for automatic failover. This issue permits unauthorized access by failing to implement any authentication measures with the Corosync daemon, potentially compromising the integrity of the high availability configuration. It is critical for users of BIG-IQ 6.x and 7.x versions to address this vulnerability immediately to avoid possible exploitation.

Affected Version(s)

BIG-IQ All 7.x and 6.x versions

References

https://support.f5.com/csp/article/K13155201
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.